러시아 지도
http://www.worldmapfinder.com/Map_Detail.php?MAP=2289&FN=russia.gif&MW=1418&MH=982&FS=315&FT=gif&WO=0&CE=3&CO=15&CI=0&IT=0&LC=2&PG=1&CS=utf-8&FU=http://www.ma.iup.edu/projects/CalcDEMma/Green/russia.gif&SU=http://www.ma.iup.edu/projects/CalcDEMma/Green/Green.html
